diff --git a/packages/http-client/__tests__/proxy.test.ts b/packages/http-client/__tests__/proxy.test.ts
index 9ad9c6d1..38d8dd4d 100644
--- a/packages/http-client/__tests__/proxy.test.ts
+++ b/packages/http-client/__tests__/proxy.test.ts
@@ -28,7 +28,7 @@ describe('proxy', () => {
     _clearVars()
   })
 
-  afterEach(() => {})
+  afterEach(() => { })
 
   afterAll(async () => {
     _clearVars()
@@ -239,7 +239,7 @@ describe('proxy', () => {
 
   it('HttpClient bypasses proxy for loopback addresses (localhost, ::1, 127.*)', async () => {
     // setup a server listening on localhost:8091
-    const server = http.createServer(function(request, response) {
+    const server = http.createServer(function (request, response) {
       response.writeHead(200)
       request.pipe(response)
     })
@@ -247,12 +247,24 @@ describe('proxy', () => {
     try {
       process.env['http_proxy'] = _proxyUrl
       const httpClient = new httpm.HttpClient()
-      const res: httpm.HttpClientResponse = await httpClient.get(
+      let res = await httpClient.get(
         'http://localhost:8091'
       )
       expect(res.message.statusCode).toBe(200)
-      const body: string = await res.readBody()
-      expect(body).toEqual('')
+      res = await httpClient.get(
+        'http://127.0.0.1:8091'
+      )
+      expect(res.message.statusCode).toBe(200)
+
+      // no support for ipv6 for now
+      expect(httpClient.get(
+        'http://[::1]:8091')).rejects.toThrow()
+
+      // ipv6 not supported atm
+      // expect(async () => await httpClient.get(
+      //   'http://[::1]:8091'
+      // )).toThrow()
+
       // proxy at _proxyUrl was ignored
       expect(_proxyConnects).toEqual([])
     } finally {
diff --git a/packages/http-client/src/proxy.ts b/packages/http-client/src/proxy.ts
index fdcad2ad..8727dfd1 100644
--- a/packages/http-client/src/proxy.ts
+++ b/packages/http-client/src/proxy.ts
@@ -77,6 +77,7 @@ function isLoopbackAddress(host: string): boolean {
   return (
     hostLower === 'localhost' ||
     hostLower.startsWith('127.') ||
-    hostLower.startsWith('::1')
+    hostLower.startsWith('[::1]') ||
+    hostLower.startsWith('[0:0:0:0:0:0:0:1]')
   )
 }